Home / 218,073,311.40-327,109,967.10-145,513,900.20

Finding the Fourth Proportional to 218,073,311.40, 327,109,967.10 and 145,513,900.20

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Solution

The fourth proportional to 218,073,311.40, 327,109,967.10 and 145,513,900.20 is: 218,270,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,073,311.40 : 327,109,967.10 = 145,513,900.20 : x
  2. Step 2: Convert to fraction form
    218,073,311.40/327,109,967.10 = 145,513,900.20/x
  3. Step 3: Cross multiply
    218,073,311.40x = 327,109,967.10 × 145,513,900.20
  4. Step 4: Simplify right side
    218,073,311.40x = 47,599,047,107,014,680
  5. Step 5: Solve for x
    x = 47,599,047,107,014,680/218,073,311.40
  6. Step 6: Final answer
    x = 218,270,850.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.